1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/browser/chrome_browser_main.h"
11 #include "base/at_exit.h"
12 #include "base/bind.h"
13 #include "base/command_line.h"
14 #include "base/debug/crash_logging.h"
15 #include "base/debug/debugger.h"
16 #include "base/debug/trace_event.h"
17 #include "base/file_util.h"
18 #include "base/files/file_path.h"
19 #include "base/metrics/field_trial.h"
20 #include "base/metrics/histogram.h"
21 #include "base/path_service.h"
22 #include "base/prefs/json_pref_store.h"
23 #include "base/prefs/pref_registry_simple.h"
24 #include "base/prefs/pref_service.h"
25 #include "base/prefs/pref_value_store.h"
26 #include "base/prefs/scoped_user_pref_update.h"
27 #include "base/process/process_info.h"
28 #include "base/run_loop.h"
29 #include "base/strings/string_number_conversions.h"
30 #include "base/strings/string_piece.h"
31 #include "base/strings/string_split.h"
32 #include "base/strings/sys_string_conversions.h"
33 #include "base/strings/utf_string_conversions.h"
34 #include "base/sys_info.h"
35 #include "base/threading/platform_thread.h"
36 #include "base/time/time.h"
37 #include "base/values.h"
38 #include "build/build_config.h"
39 #include "chrome/browser/about_flags.h"
40 #include "chrome/browser/browser_process.h"
41 #include "chrome/browser/browser_process_impl.h"
42 #include "chrome/browser/browser_process_platform_part.h"
43 #include "chrome/browser/browser_shutdown.h"
44 #include "chrome/browser/chrome_browser_main_extra_parts.h"
45 #include "chrome/browser/component_updater/cld_component_installer.h"
46 #include "chrome/browser/component_updater/component_updater_service.h"
47 #include "chrome/browser/component_updater/ev_whitelist_component_installer.h"
48 #include "chrome/browser/component_updater/flash_component_installer.h"
49 #include "chrome/browser/component_updater/pnacl/pnacl_component_installer.h"
50 #include "chrome/browser/component_updater/recovery_component_installer.h"
51 #include "chrome/browser/component_updater/swiftshader_component_installer.h"
52 #include "chrome/browser/component_updater/widevine_cdm_component_installer.h"
53 #include "chrome/browser/defaults.h"
54 #include "chrome/browser/extensions/extension_service.h"
55 #include "chrome/browser/extensions/startup_helper.h"
56 #include "chrome/browser/first_run/first_run.h"
57 #include "chrome/browser/first_run/upgrade_util.h"
58 #include "chrome/browser/google/google_search_counter.h"
59 #include "chrome/browser/gpu/gl_string_manager.h"
60 #include "chrome/browser/gpu/three_d_api_observer.h"
61 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
62 #include "chrome/browser/metrics/field_trial_synchronizer.h"
63 #include "chrome/browser/metrics/thread_watcher.h"
64 #include "chrome/browser/metrics/tracking_synchronizer.h"
65 #include "chrome/browser/metrics/variations/variations_service.h"
66 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
67 #include "chrome/browser/net/chrome_net_log.h"
68 #include "chrome/browser/net/crl_set_fetcher.h"
69 #include "chrome/browser/notifications/desktop_notification_service.h"
70 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
71 #include "chrome/browser/performance_monitor/performance_monitor.h"
72 #include "chrome/browser/performance_monitor/startup_timer.h"
73 #include "chrome/browser/plugins/plugin_prefs.h"
74 #include "chrome/browser/pref_service_flags_storage.h"
75 #include "chrome/browser/prefs/chrome_pref_service_factory.h"
76 #include "chrome/browser/prefs/command_line_pref_store.h"
77 #include "chrome/browser/prefs/pref_metrics_service.h"
78 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service.h"
79 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service_factory.h"
80 #include "chrome/browser/process_singleton.h"
81 #include "chrome/browser/profiles/profile.h"
82 #include "chrome/browser/profiles/profile_manager.h"
83 #include "chrome/browser/profiles/profiles_state.h"
84 #include "chrome/browser/shell_integration.h"
85 #include "chrome/browser/translate/translate_service.h"
86 #include "chrome/browser/ui/app_list/app_list_service.h"
87 #include "chrome/browser/ui/browser.h"
88 #include "chrome/browser/ui/browser_finder.h"
89 #include "chrome/browser/ui/host_desktop.h"
90 #include "chrome/browser/ui/startup/bad_flags_prompt.h"
91 #include "chrome/browser/ui/startup/default_browser_prompt.h"
92 #include "chrome/browser/ui/startup/startup_browser_creator.h"
93 #include "chrome/browser/ui/uma_browsing_activity_observer.h"
94 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
95 #include "chrome/common/chrome_constants.h"
96 #include "chrome/common/chrome_paths.h"
97 #include "chrome/common/chrome_result_codes.h"
98 #include "chrome/common/chrome_switches.h"
99 #include "chrome/common/crash_keys.h"
100 #include "chrome/common/env_vars.h"
101 #include "chrome/common/logging_chrome.h"
102 #include "chrome/common/net/net_resource_provider.h"
103 #include "chrome/common/pref_names.h"
104 #include "chrome/common/profiling.h"
105 #include "chrome/installer/util/google_update_settings.h"
106 #include "components/google/core/browser/google_util.h"
107 #include "components/language_usage_metrics/language_usage_metrics.h"
108 #include "components/metrics/metrics_service.h"
109 #include "components/nacl/browser/nacl_browser.h"
110 #include "components/rappor/rappor_service.h"
111 #include "components/signin/core/common/profile_management_switches.h"
112 #include "components/startup_metric_utils/startup_metric_utils.h"
113 #include "components/translate/content/common/cld_data_source.h"
114 #include "components/translate/core/browser/translate_download_manager.h"
115 #include "components/variations/variations_http_header_provider.h"
116 #include "content/public/browser/browser_thread.h"
117 #include "content/public/browser/notification_observer.h"
118 #include "content/public/browser/notification_registrar.h"
119 #include "content/public/browser/notification_service.h"
120 #include "content/public/browser/notification_types.h"
121 #include "content/public/browser/site_instance.h"
122 #include "content/public/common/content_client.h"
123 #include "content/public/common/content_switches.h"
124 #include "content/public/common/main_function_params.h"
125 #include "extensions/browser/extension_protocols.h"
126 #include "grit/app_locale_settings.h"
127 #include "grit/browser_resources.h"
128 #include "grit/chromium_strings.h"
129 #include "grit/generated_resources.h"
130 #include "grit/platform_locale_settings.h"
131 #include "net/base/net_module.h"
132 #include "net/base/sdch_manager.h"
133 #include "net/cookies/cookie_monster.h"
134 #include "net/http/http_network_layer.h"
135 #include "net/http/http_stream_factory.h"
136 #include "net/url_request/url_request.h"
137 #include "ui/base/l10n/l10n_util.h"
138 #include "ui/base/layout.h"
139 #include "ui/base/resource/resource_bundle.h"
141 #if defined(OS_ANDROID)
142 #include "chrome/browser/metrics/thread_watcher_android.h"
144 #include "chrome/browser/feedback/feedback_profile_observer.h"
147 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
148 #include "chrome/browser/first_run/upgrade_util_linux.h"
149 #include "chrome/browser/sxs_linux.h"
152 #if defined(OS_CHROMEOS)
153 #include "chrome/browser/chromeos/settings/cros_settings.h"
154 #include "chromeos/chromeos_switches.h"
155 #include "chromeos/settings/cros_settings_names.h"
158 // TODO(port): several win-only methods have been pulled out of this, but
159 // BrowserMain() as a whole needs to be broken apart so that it's usable by
160 // other platforms. For now, it's just a stub. This is a serious work in
161 // progress and should not be taken as an indication of a real refactoring.
164 #include "base/environment.h" // For PreRead experiment.
165 #include "base/win/windows_version.h"
166 #include "chrome/browser/browser_util_win.h"
167 #include "chrome/browser/chrome_browser_main_win.h"
168 #include "chrome/browser/chrome_select_file_dialog_factory_win.h"
169 #include "chrome/browser/component_updater/sw_reporter_installer_win.h"
170 #include "chrome/browser/first_run/try_chrome_dialog_view.h"
171 #include "chrome/browser/first_run/upgrade_util_win.h"
172 #include "chrome/browser/ui/network_profile_bubble.h"
173 #include "chrome/installer/util/helper.h"
174 #include "chrome/installer/util/install_util.h"
175 #include "chrome/installer/util/shell_util.h"
176 #include "net/base/net_util.h"
177 #include "ui/base/l10n/l10n_util_win.h"
178 #include "ui/gfx/win/dpi.h"
179 #include "ui/shell_dialogs/select_file_dialog.h"
180 #endif // defined(OS_WIN)
182 #if defined(OS_MACOSX)
183 #include <Security/Security.h>
185 #include "base/mac/scoped_nsautorelease_pool.h"
186 #include "chrome/browser/mac/keystone_glue.h"
189 #if !defined(DISABLE_NACL)
190 #include "components/nacl/browser/nacl_process_host.h"
193 #if defined(ENABLE_FULL_PRINTING) && !defined(OFFICIAL_BUILD)
194 #include "printing/printed_document.h"
197 #if defined(ENABLE_RLZ)
198 #include "chrome/browser/rlz/rlz.h"
201 #if defined(ENABLE_WEBRTC)
202 #include "chrome/browser/media/webrtc_log_util.h"
205 #if defined(USE_AURA)
206 #include "ui/aura/env.h"
209 using content::BrowserThread;
213 // This function provides some ways to test crash and assertion handling
214 // behavior of the program.
215 void HandleTestParameters(const CommandLine& command_line) {
216 // This parameter causes an assertion.
217 if (command_line.HasSwitch(switches::kBrowserAssertTest)) {
221 // This parameter causes a null pointer crash (crash reporter trigger).
222 if (command_line.HasSwitch(switches::kBrowserCrashTest)) {
223 int* bad_pointer = NULL;
228 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
229 void AddFirstRunNewTabs(StartupBrowserCreator* browser_creator,
230 const std::vector<GURL>& new_tabs) {
231 for (std::vector<GURL>::const_iterator it = new_tabs.begin();
232 it != new_tabs.end(); ++it) {
234 browser_creator->AddFirstRunTab(*it);
237 #endif // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
239 // Returns the new local state object, guaranteed non-NULL.
240 // |local_state_task_runner| must be a shutdown-blocking task runner.
241 PrefService* InitializeLocalState(
242 base::SequencedTaskRunner* local_state_task_runner,
243 const CommandLine& parsed_command_line) {
244 TRACE_EVENT0("startup", "ChromeBrowserMainParts::InitializeLocalState")
245 base::FilePath local_state_path;
246 PathService::Get(chrome::FILE_LOCAL_STATE, &local_state_path);
247 bool local_state_file_exists = base::PathExists(local_state_path);
249 // Load local state. This includes the application locale so we know which
250 // locale dll to load. This also causes local state prefs to be registered.
251 PrefService* local_state = g_browser_process->local_state();
255 if (first_run::IsChromeFirstRun()) {
256 // During first run we read the google_update registry key to find what
257 // language the user selected when downloading the installer. This
258 // becomes our default language in the prefs.
259 // Other platforms obey the system locale.
260 base::string16 install_lang;
261 if (GoogleUpdateSettings::GetLanguage(&install_lang)) {
262 local_state->SetString(prefs::kApplicationLocale,
263 base::UTF16ToASCII(install_lang));
266 #endif // defined(OS_WIN)
268 // If the local state file for the current profile doesn't exist and the
269 // parent profile command line flag is present, then we should inherit some
270 // local state from the parent profile.
271 // Checking that the local state file for the current profile doesn't exist
272 // is the most robust way to determine whether we need to inherit or not
273 // since the parent profile command line flag can be present even when the
274 // current profile is not a new one, and in that case we do not want to
275 // inherit and reset the user's setting.
277 // TODO(mnissler): We should probably just instantiate a
278 // JSONPrefStore here instead of an entire PrefService. Once this is
279 // addressed, the call to browser_prefs::RegisterLocalState can move
280 // to chrome_prefs::CreateLocalState.
281 if (!local_state_file_exists &&
282 parsed_command_line.HasSwitch(switches::kParentProfile)) {
283 base::FilePath parent_profile =
284 parsed_command_line.GetSwitchValuePath(switches::kParentProfile);
285 scoped_refptr<PrefRegistrySimple> registry = new PrefRegistrySimple();
286 scoped_ptr<PrefService> parent_local_state(
287 chrome_prefs::CreateLocalState(
289 local_state_task_runner,
290 g_browser_process->policy_service(),
293 registry->RegisterStringPref(prefs::kApplicationLocale, std::string());
294 // Right now, we only inherit the locale setting from the parent profile.
295 local_state->SetString(
296 prefs::kApplicationLocale,
297 parent_local_state->GetString(prefs::kApplicationLocale));
300 #if defined(OS_CHROMEOS)
301 if (parsed_command_line.HasSwitch(chromeos::switches::kLoginManager)) {
302 std::string owner_locale = local_state->GetString(prefs::kOwnerLocale);
303 // Ensure that we start with owner's locale.
304 if (!owner_locale.empty() &&
305 local_state->GetString(prefs::kApplicationLocale) != owner_locale &&
306 !local_state->IsManagedPreference(prefs::kApplicationLocale)) {
307 local_state->SetString(prefs::kApplicationLocale, owner_locale);
315 // Initializes the primary profile, possibly doing some user prompting to pick
316 // a fallback profile. Returns the newly created profile, or NULL if startup
317 // should not continue.
318 Profile* CreatePrimaryProfile(const content::MainFunctionParams& parameters,
319 const base::FilePath& user_data_dir,
320 const CommandLine& parsed_command_line) {
321 TRACE_EVENT0("startup", "ChromeBrowserMainParts::CreateProfile")
322 base::Time start = base::Time::Now();
323 if (profiles::IsMultipleProfilesEnabled() &&
324 parsed_command_line.HasSwitch(switches::kProfileDirectory)) {
325 g_browser_process->local_state()->SetString(prefs::kProfileLastUsed,
326 parsed_command_line.GetSwitchValueASCII(switches::kProfileDirectory));
327 // Clear kProfilesLastActive since the user only wants to launch a specific
329 ListPrefUpdate update(g_browser_process->local_state(),
330 prefs::kProfilesLastActive);
331 base::ListValue* profile_list = update.Get();
332 profile_list->Clear();
335 Profile* profile = NULL;
336 #if defined(OS_CHROMEOS) || defined(OS_ANDROID)
337 // On ChromeOS and Android the ProfileManager will use the same path as the
338 // one we got passed. GetActiveUserProfile will therefore use the correct path
340 DCHECK_EQ(user_data_dir.value(),
341 g_browser_process->profile_manager()->user_data_dir().value());
342 profile = ProfileManager::GetActiveUserProfile();
344 base::FilePath profile_path =
345 GetStartupProfilePath(user_data_dir, parsed_command_line);
346 profile = g_browser_process->profile_manager()->GetProfile(
349 // If we're using the --new-profile-management flag and this profile is
350 // signed out, then we should show the user manager instead. By switching
351 // the active profile to the guest profile we ensure that no
352 // browser windows will be opened for the guest profile.
353 if (switches::IsNewProfileManagement() && !profile->IsGuestSession()) {
354 ProfileInfoCache& cache =
355 g_browser_process->profile_manager()->GetProfileInfoCache();
356 size_t profile_index = cache.GetIndexOfProfileWithPath(profile_path);
358 if (cache.ProfileIsSigninRequiredAtIndex(profile_index))
359 profile = g_browser_process->profile_manager()->GetProfile(
360 ProfileManager::GetGuestProfilePath());
364 UMA_HISTOGRAM_LONG_TIMES(
365 "Startup.CreateFirstProfile", base::Time::Now() - start);
370 // TODO(port): fix this. See comments near the definition of
371 // user_data_dir. It is better to CHECK-fail here than it is to
372 // silently exit because of missing code in the above test.
373 CHECK(profile) << "Cannot get default profile.";
379 #if defined(OS_MACOSX)
380 OSStatus KeychainCallback(SecKeychainEvent keychain_event,
381 SecKeychainCallbackInfo* info, void* context) {
386 void RegisterComponentsForUpdate() {
387 component_updater::ComponentUpdateService* cus =
388 g_browser_process->component_updater();
390 // Registration can be before or after cus->Start() so it is ok to post
391 // a task to the UI thread to do registration once you done the necessary
392 // file IO to know you existing component version.
393 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
394 RegisterRecoveryComponent(cus, g_browser_process->local_state());
395 RegisterPepperFlashComponent(cus);
396 RegisterSwiftShaderComponent(cus);
397 RegisterWidevineCdmComponent(cus);
398 g_browser_process->pnacl_component_installer()->RegisterPnaclComponent(cus);
401 if (translate::CldDataSource::ShouldRegisterForComponentUpdates()) {
402 RegisterCldComponent(cus);
406 if (PathService::Get(chrome::DIR_USER_DATA, &path)) {
407 #if defined(OS_ANDROID)
408 // The CRLSet component was enabled for some releases. This code attempts to
409 // delete it from the local disk of those how may have downloaded it.
410 g_browser_process->crl_set_fetcher()->DeleteFromDisk(path);
411 #elif !defined(OS_CHROMEOS)
412 // CRLSetFetcher attempts to load a CRL set from either the local disk or
414 // For Chrome OS this registration is delayed until user login.
415 g_browser_process->crl_set_fetcher()->StartInitialLoad(cus, path);
419 #if !defined(OS_ANDROID)
420 // Android does not currently have the EV indicator. No need to get the
421 // EV certs whitelist on Android, then.
422 RegisterEVWhitelistComponent(cus);
426 ExecutePendingSwReporter(cus, g_browser_process->local_state());
432 #if !defined(OS_ANDROID)
433 bool ProcessSingletonNotificationCallback(
434 const CommandLine& command_line,
435 const base::FilePath& current_directory) {
436 // Drop the request if the browser process is already in shutdown path.
437 if (!g_browser_process || g_browser_process->IsShuttingDown())
440 if (command_line.HasSwitch(switches::kOriginalProcessStartTime)) {
441 std::string start_time_string =
442 command_line.GetSwitchValueASCII(switches::kOriginalProcessStartTime);
443 int64 remote_start_time;
444 if (base::StringToInt64(start_time_string, &remote_start_time)) {
445 base::TimeDelta elapsed =
446 base::Time::Now() - base::Time::FromInternalValue(remote_start_time);
447 if (command_line.HasSwitch(switches::kFastStart)) {
448 UMA_HISTOGRAM_LONG_TIMES(
449 "Startup.WarmStartTimeFromRemoteProcessStartFast", elapsed);
451 UMA_HISTOGRAM_LONG_TIMES(
452 "Startup.WarmStartTimeFromRemoteProcessStart", elapsed);
457 g_browser_process->platform_part()->PlatformSpecificCommandLineProcessing(
460 base::FilePath user_data_dir =
461 g_browser_process->profile_manager()->user_data_dir();
462 base::FilePath startup_profile_dir =
463 GetStartupProfilePath(user_data_dir, command_line);
465 StartupBrowserCreator::ProcessCommandLineAlreadyRunning(
466 command_line, current_directory, startup_profile_dir);
469 #endif // !defined(OS_ANDROID)
471 void LaunchDevToolsHandlerIfNeeded(const CommandLine& command_line) {
472 if (command_line.HasSwitch(::switches::kRemoteDebuggingPort)) {
473 std::string port_str =
474 command_line.GetSwitchValueASCII(::switches::kRemoteDebuggingPort);
476 if (base::StringToInt(port_str, &port) && port >= 0 && port < 65535) {
477 g_browser_process->CreateDevToolsHttpProtocolHandler(
478 chrome::HOST_DESKTOP_TYPE_NATIVE,
482 DLOG(WARNING) << "Invalid http debugger port number " << port;
487 // Heap allocated class that listens for first page load, kicks off stat
488 // recording and then deletes itself.
489 class LoadCompleteListener : public content::NotificationObserver {
491 LoadCompleteListener() {
493 content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
494 content::NotificationService::AllSources());
496 virtual ~LoadCompleteListener() {}
498 // content::NotificationObserver implementation.
499 virtual void Observe(int type,
500 const content::NotificationSource& source,
501 const content::NotificationDetails& details) OVERRIDE {
502 DCHECK_EQ(content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME, type);
503 startup_metric_utils::OnInitialPageLoadComplete();
508 content::NotificationRegistrar registrar_;
509 DISALLOW_COPY_AND_ASSIGN(LoadCompleteListener);
514 namespace chrome_browser {
516 // This error message is not localized because we failed to load the
517 // localization data files.
519 const char kMissingLocaleDataTitle[] = "Missing File Error";
523 // TODO(port) This should be used on Linux Aura as well. http://crbug.com/338969
524 const char kMissingLocaleDataMessage[] =
525 "Unable to find locale data files. Please reinstall.";
528 } // namespace chrome_browser
530 // BrowserMainParts ------------------------------------------------------------
533 bool ChromeBrowserMainParts::disable_enforcing_cookie_policies_for_tests_ =
536 ChromeBrowserMainParts::ChromeBrowserMainParts(
537 const content::MainFunctionParams& parameters)
538 : parameters_(parameters),
539 parsed_command_line_(parameters.command_line),
540 result_code_(content::RESULT_CODE_NORMAL_EXIT),
541 startup_watcher_(new StartupTimeBomb()),
542 shutdown_watcher_(new ShutdownWatcherHelper()),
543 startup_timer_(new performance_monitor::StartupTimer()),
544 browser_field_trials_(parameters.command_line),
546 run_message_loop_(true),
547 notify_result_(ProcessSingleton::PROCESS_NONE),
549 restart_last_session_(false) {
550 // If we're running tests (ui_task is non-null).
551 if (parameters.ui_task)
552 browser_defaults::enable_help_app = false;
554 // Chrome disallows cookies by default. All code paths that want to use
555 // cookies need to go through one of Chrome's URLRequestContexts which have
556 // a ChromeNetworkDelegate attached that selectively allows cookies again.
557 if (!disable_enforcing_cookie_policies_for_tests_)
558 net::URLRequest::SetDefaultCookiePolicyToBlock();
561 ChromeBrowserMainParts::~ChromeBrowserMainParts() {
562 for (int i = static_cast<int>(chrome_extra_parts_.size())-1; i >= 0; --i)
563 delete chrome_extra_parts_[i];
564 chrome_extra_parts_.clear();
567 // This will be called after the command-line has been mutated by about:flags
568 void ChromeBrowserMainParts::SetupMetricsAndFieldTrials() {
569 TRACE_EVENT0("startup", "ChromeBrowserMainParts::SetupMetricsAndFieldTrials");
570 // Must initialize metrics after labs have been converted into switches,
571 // but before field trials are set up (so that client ID is available for
572 // one-time randomized field trials).
574 // Initialize FieldTrialList to support FieldTrials that use one-time
576 MetricsService* metrics = browser_process_->metrics_service();
577 field_trial_list_.reset(
578 new base::FieldTrialList(metrics->CreateEntropyProvider().release()));
580 const CommandLine* command_line = CommandLine::ForCurrentProcess();
581 if (command_line->HasSwitch(switches::kEnableBenchmarking))
582 base::FieldTrial::EnableBenchmarking();
584 // Ensure any field trials specified on the command line are initialized.
585 if (command_line->HasSwitch(switches::kForceFieldTrials)) {
586 std::set<std::string> unforceable_field_trials;
587 #if defined(OFFICIAL_BUILD)
588 unforceable_field_trials.insert("SettingsEnforcement");
589 #endif // defined(OFFICIAL_BUILD)
591 // Create field trials without activating them, so that this behaves in a
592 // consistent manner with field trials created from the server.
593 bool result = base::FieldTrialList::CreateTrialsFromString(
594 command_line->GetSwitchValueASCII(switches::kForceFieldTrials),
595 base::FieldTrialList::DONT_ACTIVATE_TRIALS,
596 unforceable_field_trials);
597 CHECK(result) << "Invalid --" << switches::kForceFieldTrials
598 << " list specified.";
600 if (command_line->HasSwitch(switches::kForceVariationIds)) {
601 // Create default variation ids which will always be included in the
602 // X-Client-Data request header.
603 variations::VariationsHttpHeaderProvider* provider =
604 variations::VariationsHttpHeaderProvider::GetInstance();
605 bool result = provider->SetDefaultVariationIds(
606 command_line->GetSwitchValueASCII(switches::kForceVariationIds));
607 CHECK(result) << "Invalid --" << switches::kForceVariationIds
608 << " list specified.";
610 chrome_variations::VariationsService* variations_service =
611 browser_process_->variations_service();
612 if (variations_service)
613 variations_service->CreateTrialsFromSeed();
615 // This must be called after |local_state_| is initialized.
616 browser_field_trials_.SetupFieldTrials(
617 base::Time::FromTimeT(metrics->GetInstallDate()), local_state_);
619 // Initialize FieldTrialSynchronizer system. This is a singleton and is used
620 // for posting tasks via base::Bind. Its deleted when it goes out of scope.
621 // Even though base::Bind does AddRef and Release, the object will not be
622 // deleted after the Task is executed.
623 field_trial_synchronizer_ = new FieldTrialSynchronizer();
625 // Now that field trials have been created, initializes metrics recording.
626 metrics->InitializeMetricsRecordingState();
629 // ChromeBrowserMainParts: |SetupMetricsAndFieldTrials()| related --------------
631 void ChromeBrowserMainParts::StartMetricsRecording() {
632 TRACE_EVENT0("startup", "ChromeBrowserMainParts::StartMetricsRecording");
633 MetricsService* metrics = g_browser_process->metrics_service();
635 const bool only_do_metrics_recording =
636 parsed_command_line_.HasSwitch(switches::kMetricsRecordingOnly) ||
637 parsed_command_line_.HasSwitch(switches::kEnableBenchmarking);
638 if (only_do_metrics_recording) {
639 // If we're testing then we don't care what the user preference is, we turn
640 // on recording, but not reporting, otherwise tests fail.
641 metrics->StartRecordingForTests();
645 metrics->CheckForClonedInstall(
646 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE));
647 const bool metrics_enabled = metrics->StartIfMetricsReportingEnabled();
648 // TODO(asvitkine): Since this function is not run on Android, RAPPOR is
649 // currently disabled there. http://crbug.com/370041
650 browser_process_->rappor_service()->Start(
651 browser_process_->local_state(),
652 browser_process_->system_request_context(),
656 void ChromeBrowserMainParts::RecordBrowserStartupTime() {
657 // Don't record any metrics if UI was displayed before this point e.g.
659 if (startup_metric_utils::WasNonBrowserUIDisplayed())
662 #if defined(OS_ANDROID)
663 // On Android the first run is handled in Java code, and the C++ side of
664 // Chrome doesn't know if this is the first run. This will cause some
665 // inaccuracy in the UMA statistics, but this should be minor (first runs are
667 bool is_first_run = false;
669 bool is_first_run = first_run::IsChromeFirstRun();
672 // CurrentProcessInfo::CreationTime() is currently only implemented on some
674 #if defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX)
675 const base::Time process_creation_time =
676 base::CurrentProcessInfo::CreationTime();
678 if (!is_first_run && !process_creation_time.is_null()) {
679 base::TimeDelta delay = base::Time::Now() - process_creation_time;
680 UMA_HISTOGRAM_LONG_TIMES_100("Startup.BrowserMessageLoopStartTime", delay);
682 #endif // defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX)
684 // Record collected startup metrics.
685 startup_metric_utils::OnBrowserStartupComplete(is_first_run);
688 new LoadCompleteListener();
691 // -----------------------------------------------------------------------------
692 // TODO(viettrungluu): move more/rest of BrowserMain() into BrowserMainParts.
695 #define DLLEXPORT __declspec(dllexport)
697 // We use extern C for the prototype DLLEXPORT to avoid C++ name mangling.
699 DLLEXPORT void __cdecl RelaunchChromeBrowserWithNewCommandLineIfNeeded();
702 DLLEXPORT void __cdecl RelaunchChromeBrowserWithNewCommandLineIfNeeded() {
703 // Need an instance of AtExitManager to handle singleton creations and
704 // deletions. We need this new instance because, the old instance created
705 // in ChromeMain() got destructed when the function returned.
706 base::AtExitManager exit_manager;
707 upgrade_util::RelaunchChromeBrowserWithNewCommandLineIfNeeded();
711 // content::BrowserMainParts implementation ------------------------------------
713 void ChromeBrowserMainParts::PreEarlyInitialization() {
714 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreEarlyInitialization");
715 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
716 chrome_extra_parts_[i]->PreEarlyInitialization();
719 void ChromeBrowserMainParts::PostEarlyInitialization() {
720 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostEarlyInitialization");
721 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
722 chrome_extra_parts_[i]->PostEarlyInitialization();
725 void ChromeBrowserMainParts::ToolkitInitialized() {
726 TRACE_EVENT0("startup", "ChromeBrowserMainParts::ToolkitInitialized");
727 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
728 chrome_extra_parts_[i]->ToolkitInitialized();
731 void ChromeBrowserMainParts::PreMainMessageLoopStart() {
732 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopStart");
733 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
734 chrome_extra_parts_[i]->PreMainMessageLoopStart();
737 void ChromeBrowserMainParts::PostMainMessageLoopStart() {
738 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostMainMessageLoopStart");
739 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
740 chrome_extra_parts_[i]->PostMainMessageLoopStart();
743 int ChromeBrowserMainParts::PreCreateThreads() {
744 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreCreateThreads");
745 result_code_ = PreCreateThreadsImpl();
747 if (result_code_ == content::RESULT_CODE_NORMAL_EXIT) {
748 #if !defined(OS_ANDROID)
749 // These members must be initialized before exiting this function normally.
750 DCHECK(master_prefs_.get());
751 DCHECK(browser_creator_.get());
753 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
754 chrome_extra_parts_[i]->PreCreateThreads();
760 int ChromeBrowserMainParts::PreCreateThreadsImpl() {
761 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreCreateThreadsImpl")
762 run_message_loop_ = false;
763 #if !defined(OS_ANDROID)
764 chrome::MaybeShowInvalidUserDataDirWarningDialog();
766 if (!PathService::Get(chrome::DIR_USER_DATA, &user_data_dir_))
767 return chrome::RESULT_CODE_MISSING_DATA;
769 // Force MediaCaptureDevicesDispatcher to be created on UI thread.
770 MediaCaptureDevicesDispatcher::GetInstance();
772 // Android's first run is done in Java instead of native.
773 #if !defined(OS_ANDROID)
774 process_singleton_.reset(new ChromeProcessSingleton(
775 user_data_dir_, base::Bind(&ProcessSingletonNotificationCallback)));
777 // Cache first run state early.
778 first_run::IsChromeFirstRun();
781 scoped_refptr<base::SequencedTaskRunner> local_state_task_runner =
782 JsonPrefStore::GetTaskRunnerForFile(
783 base::FilePath(chrome::kLocalStorePoolName),
784 BrowserThread::GetBlockingPool());
787 TRACE_EVENT0("startup",
788 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitBrowswerProcessImpl");
789 browser_process_.reset(new BrowserProcessImpl(local_state_task_runner.get(),
790 parsed_command_line()));
793 if (parsed_command_line().HasSwitch(switches::kEnableProfiling)) {
794 TRACE_EVENT0("startup",
795 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitProfiling");
796 // User wants to override default tracking status.
798 parsed_command_line().GetSwitchValueASCII(switches::kEnableProfiling);
799 // Default to basic profiling (no parent child support).
800 tracked_objects::ThreadData::Status status =
801 tracked_objects::ThreadData::PROFILING_ACTIVE;
802 if (flag.compare("0") != 0)
803 status = tracked_objects::ThreadData::DEACTIVATED;
804 else if (flag.compare("child") != 0)
805 status = tracked_objects::ThreadData::PROFILING_CHILDREN_ACTIVE;
806 tracked_objects::ThreadData::InitializeAndSetTrackingStatus(status);
809 if (parsed_command_line().HasSwitch(switches::kProfilingOutputFile)) {
810 tracking_objects_.set_output_file_path(
811 parsed_command_line().GetSwitchValuePath(
812 switches::kProfilingOutputFile));
815 local_state_ = InitializeLocalState(
816 local_state_task_runner.get(), parsed_command_line());
818 #if !defined(OS_ANDROID)
819 // These members must be initialized before returning from this function.
820 master_prefs_.reset(new first_run::MasterPrefs);
821 // Android doesn't use StartupBrowserCreator.
822 browser_creator_.reset(new StartupBrowserCreator);
823 // TODO(yfriedman): Refactor Android to re-use UMABrowsingActivityObserver
824 chrome::UMABrowsingActivityObserver::Init();
827 #if !defined(OS_CHROMEOS)
828 // Convert active labs into switches. This needs to be done before
829 // ResourceBundle::InitSharedInstanceWithLocale as some loaded resources are
830 // affected by experiment flags (--touch-optimized-ui in particular).
831 // On ChromeOS system level flags are applied from the device settings from
832 // the session manager.
834 TRACE_EVENT0("startup",
835 "ChromeBrowserMainParts::PreCreateThreadsImpl:ConvertFlags");
836 about_flags::PrefServiceFlagsStorage flags_storage_(
837 g_browser_process->local_state());
838 about_flags::ConvertFlagsToSwitches(&flags_storage_,
839 CommandLine::ForCurrentProcess(),
840 about_flags::kAddSentinels);
844 local_state_->UpdateCommandLinePrefStore(
845 new CommandLinePrefStore(CommandLine::ForCurrentProcess()));
847 // Reset the command line in the crash report details, since we may have
848 // just changed it to include experiments.
849 crash_keys::SetSwitchesFromCommandLine(CommandLine::ForCurrentProcess());
851 // Mac starts it earlier in |PreMainMessageLoopStart()| (because it is
852 // needed when loading the MainMenu.nib and the language doesn't depend on
853 // anything since it comes from Cocoa.
854 #if defined(OS_MACOSX)
856 parameters().ui_task ? "en-US" : l10n_util::GetLocaleOverride();
857 browser_process_->SetApplicationLocale(locale);
859 const std::string locale =
860 local_state_->GetString(prefs::kApplicationLocale);
862 // On a POSIX OS other than ChromeOS, the parameter that is passed to the
863 // method InitSharedInstance is ignored.
865 TRACE_EVENT_BEGIN0("startup",
866 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitResourceBundle");
867 const std::string loaded_locale =
868 ui::ResourceBundle::InitSharedInstanceWithLocale(
869 locale, NULL, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
870 TRACE_EVENT_END0("startup",
871 "ChromeBrowserMainParts::PreCreateThreadsImpl:InitResourceBundle");
873 if (loaded_locale.empty() &&
874 !parsed_command_line().HasSwitch(switches::kNoErrorDialogs)) {
875 ShowMissingLocaleMessageBox();
876 return chrome::RESULT_CODE_MISSING_DATA;
878 CHECK(!loaded_locale.empty()) << "Locale could not be found for " << locale;
879 browser_process_->SetApplicationLocale(loaded_locale);
881 base::FilePath resources_pack_path;
882 PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
884 TRACE_EVENT0("startup",
885 "ChromeBrowserMainParts::PreCreateThreadsImpl:AddDataPack");
886 ResourceBundle::GetSharedInstance().AddDataPackFromPath(
887 resources_pack_path, ui::SCALE_FACTOR_NONE);
889 #endif // defined(OS_MACOSX)
891 // Android does first run in Java instead of native.
892 // Chrome OS has its own out-of-box-experience code.
893 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
894 // On first run, we need to process the predictor preferences before the
895 // browser's profile_manager object is created, but after ResourceBundle
897 if (first_run::IsChromeFirstRun()) {
898 first_run::ProcessMasterPreferencesResult pmp_result =
899 first_run::ProcessMasterPreferences(user_data_dir_,
900 master_prefs_.get());
901 if (pmp_result == first_run::EULA_EXIT_NOW)
902 return chrome::RESULT_CODE_EULA_REFUSED;
904 if (!parsed_command_line().HasSwitch(switches::kApp) &&
905 !parsed_command_line().HasSwitch(switches::kAppId) &&
906 !parsed_command_line().HasSwitch(switches::kShowAppList)) {
907 AddFirstRunNewTabs(browser_creator_.get(), master_prefs_->new_tabs);
910 // TODO(macourteau): refactor preferences that are copied from
911 // master_preferences into local_state, as a "local_state" section in
912 // master preferences. If possible, a generic solution would be preferred
913 // over a copy one-by-one of specific preferences. Also see related TODO
916 // Store the initial VariationsService seed in local state, if it exists
918 if (!master_prefs_->variations_seed.empty()) {
919 local_state_->SetString(prefs::kVariationsSeed,
920 master_prefs_->variations_seed);
921 if (!master_prefs_->variations_seed_signature.empty()) {
922 local_state_->SetString(prefs::kVariationsSeedSignature,
923 master_prefs_->variations_seed_signature);
925 // Set the variation seed date to the current system time. If the user's
926 // clock is incorrect, this may cause some field trial expiry checks to
927 // not do the right thing until the next seed update from the server,
928 // when this value will be updated.
929 local_state_->SetInt64(prefs::kVariationsSeedDate,
930 base::Time::Now().ToInternalValue());
933 if (!master_prefs_->suppress_default_browser_prompt_for_version.empty()) {
934 local_state_->SetString(
935 prefs::kBrowserSuppressDefaultBrowserPrompt,
936 master_prefs_->suppress_default_browser_prompt_for_version);
939 AppListService::Get(chrome::HOST_DESKTOP_TYPE_NATIVE)->HandleFirstRun();
943 #if defined(OS_LINUX) || defined(OS_OPENBSD) || defined(OS_MACOSX)
944 // Set the product channel for crash reports.
945 base::debug::SetCrashKeyValue(crash_keys::kChannel,
946 chrome::VersionInfo::GetVersionStringModifier());
949 // Initialize tracking synchronizer system.
950 tracking_synchronizer_ = new chrome_browser_metrics::TrackingSynchronizer();
952 #if defined(OS_MACOSX)
953 // Get the Keychain API to register for distributed notifications on the main
954 // thread, which has a proper CFRunloop, instead of later on the I/O thread,
955 // which doesn't. This ensures those notifications will get delivered
956 // properly. See issue 37766.
957 // (Note that the callback mask here is empty. I don't want to register for
958 // any callbacks, I just want to initialize the mechanism.)
959 SecKeychainAddCallback(&KeychainCallback, 0, NULL);
962 #if defined(OS_CHROMEOS)
963 // Must be done after g_browser_process is constructed, before
964 // SetupMetricsAndFieldTrials().
965 chromeos::CrosSettings::Initialize();
968 // Now the command line has been mutated based on about:flags, we can setup
969 // metrics and initialize field trials. The field trials are needed by
970 // IOThread's initialization which happens in BrowserProcess:PreCreateThreads.
971 SetupMetricsAndFieldTrials();
973 // ChromeOS needs ResourceBundle::InitSharedInstance to be called before this.
974 browser_process_->PreCreateThreads();
976 return content::RESULT_CODE_NORMAL_EXIT;
979 void ChromeBrowserMainParts::PreMainMessageLoopRun() {
980 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopRun");
981 result_code_ = PreMainMessageLoopRunImpl();
983 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
984 chrome_extra_parts_[i]->PreMainMessageLoopRun();
987 // PreMainMessageLoopRun calls these extra stages in the following order:
988 // PreMainMessageLoopRunImpl()
989 // ... initial setup, including browser_process_ setup.
991 // ... additional setup, including CreateProfile()
993 // ... additional setup
995 // ... browser_creator_->Start (OR parameters().ui_task->Run())
996 // PostBrowserStart()
998 void ChromeBrowserMainParts::PreProfileInit() {
999 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreProfileInit");
1001 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1002 chrome_extra_parts_[i]->PreProfileInit();
1004 #if !defined(OS_ANDROID)
1005 // Initialize the feedback uploader so it can setup notifications for profile
1007 feedback::FeedbackProfileObserver::Initialize();
1009 ProfileManager* profile_manager = g_browser_process->profile_manager();
1011 // First check if any ephemeral profiles are left behind because of browser
1012 // crash and schedule them for deletion and then proceed with getting the set
1013 // of profiles to open.
1014 ProfileInfoCache& profile_cache = profile_manager->GetProfileInfoCache();
1015 size_t profiles_count = profile_cache.GetNumberOfProfiles();
1016 std::vector<base::FilePath> profiles_to_delete;
1017 for (size_t i = 0; i < profiles_count; ++i) {
1018 if (profile_cache.ProfileIsEphemeralAtIndex(i))
1019 profiles_to_delete.push_back(profile_cache.GetPathOfProfileAtIndex(i));
1022 if (profiles_to_delete.size()) {
1023 for (size_t i = 0; i < profiles_to_delete.size(); ++i) {
1024 profile_manager->ScheduleProfileForDeletion(
1025 profiles_to_delete[i], ProfileManager::CreateCallback());
1027 // Clean up stale profiles immediately after browser start.
1028 BrowserThread::PostTask(
1029 BrowserThread::FILE, FROM_HERE,
1030 base::Bind(&ProfileManager::CleanUpStaleProfiles, profiles_to_delete));
1032 #endif // OS_ANDROID
1035 void ChromeBrowserMainParts::PostProfileInit() {
1036 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostProfileInit");
1037 LaunchDevToolsHandlerIfNeeded(parsed_command_line());
1038 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1039 chrome_extra_parts_[i]->PostProfileInit();
1042 void ChromeBrowserMainParts::PreBrowserStart() {
1043 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreBrowserStart");
1044 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1045 chrome_extra_parts_[i]->PreBrowserStart();
1047 three_d_observer_.reset(new ThreeDAPIObserver());
1050 void ChromeBrowserMainParts::PostBrowserStart() {
1051 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostBrowserStart");
1052 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1053 chrome_extra_parts_[i]->PostBrowserStart();
1054 #if !defined(OS_ANDROID)
1055 // Allow ProcessSingleton to process messages.
1056 process_singleton_->Unlock();
1058 #if defined(ENABLE_WEBRTC)
1059 // Set up a task to delete old WebRTC log files for all profiles. Use a delay
1060 // to reduce the impact on startup time.
1061 BrowserThread::PostDelayedTask(
1064 base::Bind(&WebRtcLogUtil::DeleteOldWebRtcLogFilesForAllProfiles),
1065 base::TimeDelta::FromMinutes(1));
1069 int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
1070 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PreMainMessageLoopRunImpl");
1071 // Android updates the metrics service dynamically depending on whether the
1072 // application is in the foreground or not. Do not start here.
1073 #if !defined(OS_ANDROID)
1074 // Now that the file thread has been started, start recording.
1075 StartMetricsRecording();
1078 // Create watchdog thread after creating all other threads because it will
1079 // watch the other threads and they must be running.
1080 browser_process_->watchdog_thread();
1082 // Do any initializating in the browser process that requires all threads
1084 browser_process_->PreMainMessageLoopRun();
1086 // Record last shutdown time into a histogram.
1087 browser_shutdown::ReadLastShutdownInfo();
1090 // On Windows, we use our startup as an opportunity to do upgrade/uninstall
1091 // tasks. Those care whether the browser is already running. On Linux/Mac,
1092 // upgrade/uninstall happen separately.
1093 bool already_running = browser_util::IsBrowserAlreadyRunning();
1095 // If the command line specifies 'uninstall' then we need to work here
1096 // unless we detect another chrome browser running.
1097 if (parsed_command_line().HasSwitch(switches::kUninstall)) {
1098 return DoUninstallTasks(already_running);
1101 if (parsed_command_line().HasSwitch(switches::kHideIcons) ||
1102 parsed_command_line().HasSwitch(switches::kShowIcons)) {
1103 return ChromeBrowserMainPartsWin::HandleIconsCommands(
1104 parsed_command_line_);
1107 ui::SelectFileDialog::SetFactory(new ChromeSelectFileDialogFactory(
1108 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
1111 if (parsed_command_line().HasSwitch(switches::kMakeDefaultBrowser)) {
1112 return ShellIntegration::SetAsDefaultBrowser() ?
1113 static_cast<int>(content::RESULT_CODE_NORMAL_EXIT) :
1114 static_cast<int>(chrome::RESULT_CODE_SHELL_INTEGRATION_FAILED);
1117 #if defined(USE_AURA)
1118 // Make sure aura::Env has been initialized.
1119 CHECK(aura::Env::GetInstance());
1122 // Android doesn't support extensions and doesn't implement ProcessSingleton.
1123 #if !defined(OS_ANDROID)
1124 // If the command line specifies --pack-extension, attempt the pack extension
1125 // startup action and exit.
1126 if (parsed_command_line().HasSwitch(switches::kPackExtension)) {
1127 extensions::StartupHelper extension_startup_helper;
1128 if (extension_startup_helper.PackExtension(parsed_command_line()))
1129 return content::RESULT_CODE_NORMAL_EXIT;
1130 return chrome::RESULT_CODE_PACK_EXTENSION_ERROR;
1133 // If we're being launched just to check the connector policy, we are
1134 // short-lived and don't want to be passing that switch off.
1135 bool pass_command_line = !parsed_command_line().HasSwitch(
1136 switches::kCheckCloudPrintConnectorPolicy);
1138 if (pass_command_line) {
1139 // When another process is running, use that process instead of starting a
1140 // new one. NotifyOtherProcess will currently give the other process up to
1141 // 20 seconds to respond. Note that this needs to be done before we attempt
1142 // to read the profile.
1143 notify_result_ = process_singleton_->NotifyOtherProcessOrCreate();
1144 switch (notify_result_) {
1145 case ProcessSingleton::PROCESS_NONE:
1146 // No process already running, fall through to starting a new one.
1149 case ProcessSingleton::PROCESS_NOTIFIED:
1150 #if defined(OS_POSIX) && !defined(OS_MACOSX)
1151 printf("%s\n", base::SysWideToNativeMB(base::UTF16ToWide(
1152 l10n_util::GetStringUTF16(IDS_USED_EXISTING_BROWSER))).c_str());
1154 // Having a differentiated return type for testing allows for tests to
1155 // verify proper handling of some switches. When not testing, stick to
1156 // the standard Unix convention of returning zero when things went as
1158 if (parsed_command_line().HasSwitch(switches::kTestType))
1159 return chrome::RESULT_CODE_NORMAL_EXIT_PROCESS_NOTIFIED;
1160 return content::RESULT_CODE_NORMAL_EXIT;
1162 case ProcessSingleton::PROFILE_IN_USE:
1163 return chrome::RESULT_CODE_PROFILE_IN_USE;
1165 case ProcessSingleton::LOCK_ERROR:
1166 LOG(ERROR) << "Failed to create a ProcessSingleton for your profile "
1167 "directory. This means that running multiple instances "
1168 "would start multiple browser processes rather than "
1169 "opening a new window in the existing process. Aborting "
1170 "now to avoid profile corruption.";
1171 return chrome::RESULT_CODE_PROFILE_IN_USE;
1177 #endif // !defined(OS_ANDROID)
1179 // Handle special early return paths (which couldn't be processed even earlier
1180 // as they require the process singleton to be held) first.
1182 std::string try_chrome =
1183 parsed_command_line().GetSwitchValueASCII(switches::kTryChromeAgain);
1184 if (!try_chrome.empty()) {
1186 // Setup.exe has determined that we need to run a retention experiment
1187 // and has lauched chrome to show the experiment UI. It is guaranteed that
1188 // no other Chrome is currently running as the process singleton was
1189 // sucessfully grabbed above.
1191 base::StringToInt(try_chrome, &try_chrome_int);
1192 TryChromeDialogView::Result answer = TryChromeDialogView::Show(
1194 base::Bind(&ChromeProcessSingleton::SetActiveModalDialog,
1195 base::Unretained(process_singleton_.get())));
1196 if (answer == TryChromeDialogView::NOT_NOW)
1197 return chrome::RESULT_CODE_NORMAL_EXIT_CANCEL;
1198 if (answer == TryChromeDialogView::UNINSTALL_CHROME)
1199 return chrome::RESULT_CODE_NORMAL_EXIT_EXP2;
1200 // At this point the user is willing to try chrome again.
1201 if (answer == TryChromeDialogView::TRY_CHROME_AS_DEFAULT) {
1202 // Only set in the unattended case, the interactive case is Windows 8.
1203 if (ShellIntegration::CanSetAsDefaultBrowser() ==
1204 ShellIntegration::SET_DEFAULT_UNATTENDED)
1205 ShellIntegration::SetAsDefaultBrowser();
1208 // We don't support retention experiments on Mac or Linux.
1209 return content::RESULT_CODE_NORMAL_EXIT;
1210 #endif // defined(OS_WIN)
1214 // Do the tasks if chrome has been upgraded while it was last running.
1215 if (!already_running && upgrade_util::DoUpgradeTasks(parsed_command_line()))
1216 return content::RESULT_CODE_NORMAL_EXIT;
1218 // Check if there is any machine level Chrome installed on the current
1219 // machine. If yes and the current Chrome process is user level, we do not
1220 // allow the user level Chrome to run. So we notify the user and uninstall
1221 // user level Chrome.
1222 // Note this check needs to happen here (after the process singleton was
1223 // obtained but before potentially creating the first run sentinel).
1224 if (ChromeBrowserMainPartsWin::CheckMachineLevelInstall())
1225 return chrome::RESULT_CODE_MACHINE_LEVEL_INSTALL_EXISTS;
1226 #endif // defined(OS_WIN)
1228 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
1229 if (sxs_linux::ShouldMigrateUserDataDir())
1230 return sxs_linux::MigrateUserDataDir();
1231 #endif // defined(OS_LINUX) && !defined(OS_CHROMEOS)
1233 // Desktop construction occurs here, (required before profile creation).
1236 // Profile creation ----------------------------------------------------------
1238 MetricsService::SetExecutionPhase(MetricsService::CREATE_PROFILE,
1239 g_browser_process->local_state());
1240 profile_ = CreatePrimaryProfile(parameters(),
1242 parsed_command_line());
1244 return content::RESULT_CODE_NORMAL_EXIT;
1246 #if !defined(OS_ANDROID)
1247 // The first run sentinel must be created after the process singleton was
1248 // grabbed and no early return paths were otherwise hit above.
1249 first_run::CreateSentinelIfNeeded();
1250 #endif // !defined(OS_ANDROID)
1252 #if defined(ENABLE_BACKGROUND)
1253 // Autoload any profiles which are running background apps.
1254 // TODO(rlp): Do this on a separate thread. See http://crbug.com/99075.
1255 browser_process_->profile_manager()->AutoloadProfiles();
1257 // Post-profile init ---------------------------------------------------------
1259 TranslateService::Initialize();
1261 // Needs to be done before PostProfileInit, since login manager on CrOS is
1262 // called inside PostProfileInit.
1263 content::WebUIControllerFactory::RegisterFactory(
1264 ChromeWebUIControllerFactory::GetInstance());
1266 // NaClBrowserDelegateImpl is accessed inside PostProfileInit().
1267 // So make sure to create it before that.
1268 #if !defined(DISABLE_NACL)
1269 NaClBrowserDelegateImpl* delegate =
1270 new NaClBrowserDelegateImpl(browser_process_->profile_manager());
1271 nacl::NaClBrowser::SetDelegate(delegate);
1274 // TODO(stevenjb): Move WIN and MACOSX specific code to appropriate Parts.
1275 // (requires supporting early exit).
1278 // Retrieve cached GL strings from local state and use them for GPU
1279 // blacklist decisions.
1280 if (g_browser_process->gl_string_manager())
1281 g_browser_process->gl_string_manager()->Initialize();
1283 // Create an instance of GpuModeManager to watch gpu mode pref change.
1284 g_browser_process->gpu_mode_manager();
1286 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
1287 // Show the First Run UI if this is the first time Chrome has been run on
1288 // this computer, or we're being compelled to do so by a command line flag.
1289 // Note that this be done _after_ the PrefService is initialized and all
1290 // preferences are registered, since some of the code that the importer
1291 // touches reads preferences.
1292 if (first_run::IsChromeFirstRun()) {
1293 first_run::AutoImport(profile_,
1294 master_prefs_->homepage_defined,
1295 master_prefs_->do_import_items,
1296 master_prefs_->dont_import_items,
1297 master_prefs_->import_bookmarks_path);
1299 // Note: this can pop the first run consent dialog on linux.
1300 first_run::DoPostImportTasks(profile_,
1301 master_prefs_->make_chrome_default_for_user);
1303 if (!master_prefs_->suppress_first_run_default_browser_prompt) {
1304 browser_creator_->set_show_main_browser_window(
1305 !chrome::ShowFirstRunDefaultBrowserPrompt(profile_));
1307 browser_creator_->set_is_default_browser_dialog_suppressed(true);
1310 #endif // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
1313 // Sets things up so that if we crash from this point on, a dialog will
1314 // popup asking the user to restart chrome. It is done this late to avoid
1315 // testing against a bunch of special cases that are taken care early on.
1316 ChromeBrowserMainPartsWin::PrepareRestartOnCrashEnviroment(
1317 parsed_command_line());
1319 // Registers Chrome with the Windows Restart Manager, which will restore the
1320 // Chrome session when the computer is restarted after a system update.
1321 // This could be run as late as WM_QUERYENDSESSION for system update reboots,
1322 // but should run on startup if extended to handle crashes/hangs/patches.
1323 // Also, better to run once here than once for each HWND's WM_QUERYENDSESSION.
1324 if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
1325 ChromeBrowserMainPartsWin::RegisterApplicationRestart(
1326 parsed_command_line());
1329 // Verify that the profile is not on a network share and if so prepare to show
1330 // notification to the user.
1331 if (NetworkProfileBubble::ShouldCheckNetworkProfile(profile_)) {
1332 BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
1333 base::Bind(&NetworkProfileBubble::CheckNetworkProfile,
1334 profile_->GetPath()));
1338 #if defined(ENABLE_RLZ) && !defined(OS_CHROMEOS)
1339 // Init the RLZ library. This just binds the dll and schedules a task on the
1340 // file thread to be run sometime later. If this is the first run we record
1341 // the installation event.
1342 PrefService* pref_service = profile_->GetPrefs();
1343 int ping_delay = first_run::IsChromeFirstRun() ? master_prefs_->ping_delay :
1344 pref_service->GetInteger(first_run::GetPingDelayPrefName().c_str());
1345 // Negative ping delay means to send ping immediately after a first search is
1347 RLZTracker::InitRlzFromProfileDelayed(
1348 profile_, first_run::IsChromeFirstRun(), ping_delay < 0,
1349 base::TimeDelta::FromMilliseconds(abs(ping_delay)));
1350 #endif // defined(ENABLE_RLZ) && !defined(OS_CHROMEOS)
1352 // Configure modules that need access to resources.
1353 net::NetModule::SetResourceProvider(chrome_common_net::NetResourceProvider);
1355 // In unittest mode, this will do nothing. In normal mode, this will create
1356 // the global IntranetRedirectDetector instance, which will promptly go to
1357 // sleep for seven seconds (to avoid slowing startup), and wake up afterwards
1358 // to see if it should do anything else.
1360 // A simpler way of doing all this would be to have some function which could
1361 // give the time elapsed since startup, and simply have this object check that
1362 // when asked to initialize itself, but this doesn't seem to exist.
1364 // This can't be created in the BrowserProcessImpl constructor because it
1365 // needs to read prefs that get set after that runs.
1366 browser_process_->intranet_redirect_detector();
1367 GoogleSearchCounter::RegisterForNotifications();
1369 if (parsed_command_line().HasSwitch(switches::kEnableSdchOverHttps)) {
1370 net::SdchManager::EnableSecureSchemeSupport(true);
1372 // Check SDCH field trial.
1373 const char kSdchFieldTrialName[] = "SDCH";
1374 const char kEnabledAllGroupName[] = "EnabledAll";
1375 const char kEnabledHttpOnlyGroupName[] = "EnabledHttpOnly";
1376 const char kDisabledAllGroupName[] = "DisabledAll";
1378 base::StringPiece sdch_trial_group =
1379 base::FieldTrialList::FindFullName(kSdchFieldTrialName);
1380 if (sdch_trial_group.starts_with(kEnabledAllGroupName)) {
1381 net::SdchManager::EnableSecureSchemeSupport(true);
1382 net::SdchManager::EnableSdchSupport(true);
1383 } else if (sdch_trial_group.starts_with(kEnabledHttpOnlyGroupName)) {
1384 net::SdchManager::EnableSdchSupport(true);
1385 } else if (sdch_trial_group.starts_with(kDisabledAllGroupName)) {
1386 net::SdchManager::EnableSdchSupport(false);
1390 #if defined(ENABLE_FULL_PRINTING) && !defined(OFFICIAL_BUILD)
1391 if (parsed_command_line().HasSwitch(switches::kDebugPrint)) {
1392 base::FilePath path =
1393 parsed_command_line().GetSwitchValuePath(switches::kDebugPrint);
1394 printing::PrintedDocument::set_debug_dump_path(path);
1398 HandleTestParameters(parsed_command_line());
1399 browser_process_->metrics_service()->RecordBreakpadHasDebugger(
1400 base::debug::BeingDebugged());
1402 language_usage_metrics::LanguageUsageMetrics::RecordAcceptLanguages(
1403 profile_->GetPrefs()->GetString(prefs::kAcceptLanguages));
1404 language_usage_metrics::LanguageUsageMetrics::RecordApplicationLanguage(
1405 browser_process_->GetApplicationLocale());
1407 // Start watching for hangs during startup. We disarm this hang detector when
1408 // ThreadWatcher takes over or when browser is shutdown or when
1409 // startup_watcher_ is deleted.
1410 MetricsService::SetExecutionPhase(MetricsService::STARTUP_TIMEBOMB_ARM,
1411 g_browser_process->local_state());
1412 startup_watcher_->Arm(base::TimeDelta::FromSeconds(300));
1414 // On mobile, need for clean shutdown arises only when the application comes
1415 // to foreground (i.e. MetricsService::OnAppEnterForeground is called).
1416 // http://crbug.com/179143
1417 #if !defined(OS_ANDROID)
1418 // Start watching for a hang.
1419 MetricsService::LogNeedForCleanShutdown(g_browser_process->local_state());
1422 #if defined(ENABLE_FULL_PRINTING)
1423 // Create the instance of the cloud print proxy service so that it can launch
1424 // the service process if needed. This is needed because the service process
1425 // might have shutdown because an update was available.
1426 // TODO(torne): this should maybe be done with
1427 // BrowserContextKeyedServiceFactory::ServiceIsCreatedWithBrowserContext()
1429 CloudPrintProxyServiceFactory::GetForProfile(profile_);
1432 // Start watching all browser threads for responsiveness.
1433 MetricsService::SetExecutionPhase(MetricsService::THREAD_WATCHER_START,
1434 g_browser_process->local_state());
1435 ThreadWatcherList::StartWatchingAll(parsed_command_line());
1437 #if defined(OS_ANDROID)
1438 ThreadWatcherAndroid::RegisterApplicationStatusListener();
1441 #if !defined(DISABLE_NACL)
1442 BrowserThread::PostTask(
1445 base::Bind(nacl::NaClProcessHost::EarlyStartup));
1448 // Make sure initial prefs are recorded
1449 PrefMetricsService::Factory::GetForProfile(profile_);
1453 // Instantiate the notification UI manager, as this triggers a perf timer
1454 // used to measure startup time. TODO(stevenjb): Figure out what is actually
1455 // triggering the timer and call that explicitly in the approprate place.
1456 // http://crbug.com/105065.
1457 browser_process_->notification_ui_manager();
1459 if (!parsed_command_line().HasSwitch(switches::kDisableComponentUpdate))
1460 RegisterComponentsForUpdate();
1462 #if defined(OS_ANDROID)
1463 chrome_variations::VariationsService* variations_service =
1464 browser_process_->variations_service();
1465 if (variations_service) {
1466 variations_service->set_policy_pref_service(profile_->GetPrefs());
1467 variations_service->StartRepeatedVariationsSeedFetch();
1469 translate::TranslateDownloadManager::RequestLanguageList(
1470 profile_->GetPrefs());
1473 // Most general initialization is behind us, but opening a
1474 // tab and/or session restore and such is still to be done.
1475 base::TimeTicks browser_open_start = base::TimeTicks::Now();
1477 // We are in regular browser boot sequence. Open initial tabs and enter the
1478 // main message loop.
1480 #if defined(OS_CHROMEOS)
1481 // On ChromeOS multiple profiles doesn't apply, and will break if we load
1482 // them this early as the cryptohome hasn't yet been mounted (which happens
1483 // only once we log in.
1484 std::vector<Profile*> last_opened_profiles;
1486 std::vector<Profile*> last_opened_profiles =
1487 g_browser_process->profile_manager()->GetLastOpenedProfiles();
1490 if (browser_creator_->Start(parsed_command_line(), base::FilePath(),
1491 profile_, last_opened_profiles, &result_code)) {
1492 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
1493 // Initialize autoupdate timer. Timer callback costs basically nothing
1494 // when browser is not in persistent mode, so it's OK to let it ride on
1495 // the main thread. This needs to be done here because we don't want
1496 // to start the timer when Chrome is run inside a test harness.
1497 browser_process_->StartAutoupdateTimer();
1500 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
1501 // On Linux, the running exe will be updated if an upgrade becomes
1502 // available while the browser is running. We need to save the last
1503 // modified time of the exe, so we can compare to determine if there is
1504 // an upgrade while the browser is kept alive by a persistent extension.
1505 upgrade_util::SaveLastModifiedTimeOfExe();
1508 // Record now as the last successful chrome start.
1509 GoogleUpdateSettings::SetLastRunTime();
1511 #if defined(OS_MACOSX)
1512 // Call Recycle() here as late as possible, before going into the loop
1513 // because Start() will add things to it while creating the main window.
1514 if (parameters().autorelease_pool)
1515 parameters().autorelease_pool->Recycle();
1518 base::TimeDelta delay = base::TimeTicks::Now() - browser_open_start;
1519 UMA_HISTOGRAM_LONG_TIMES_100("Startup.BrowserOpenTabs", delay);
1521 // If we're running tests (ui_task is non-null), then we don't want to
1522 // call RequestLanguageList or StartRepeatedVariationsSeedFetch or
1523 // RequestLanguageList
1524 if (parameters().ui_task == NULL) {
1525 // Request new variations seed information from server.
1526 chrome_variations::VariationsService* variations_service =
1527 browser_process_->variations_service();
1528 if (variations_service) {
1529 variations_service->StartRepeatedVariationsSeedFetch();
1532 variations_service->StartGoogleUpdateRegistrySync();
1536 translate::TranslateDownloadManager::RequestLanguageList(
1537 profile_->GetPrefs());
1540 run_message_loop_ = true;
1542 run_message_loop_ = false;
1544 browser_creator_.reset();
1545 #endif // !defined(OS_ANDROID)
1547 performance_monitor::PerformanceMonitor::GetInstance()->Initialize();
1551 if (parameters().ui_task) {
1552 // We end the startup timer here if we have parameters to run, because we
1553 // never start to run the main loop (where we normally stop the timer).
1554 startup_timer_->SignalStartupComplete(
1555 performance_monitor::StartupTimer::STARTUP_TEST);
1556 parameters().ui_task->Run();
1557 delete parameters().ui_task;
1558 run_message_loop_ = false;
1560 #if defined(OS_ANDROID)
1561 // We never run the C++ main loop on Android, since the UI thread message
1562 // loop is controlled by the OS, so this is as close as we can get to
1563 // the start of the main loop
1564 if (result_code_ <= 0) {
1565 RecordBrowserStartupTime();
1568 return result_code_;
1571 bool ChromeBrowserMainParts::MainMessageLoopRun(int* result_code) {
1572 TRACE_EVENT0("startup", "ChromeBrowserMainParts::MainMessageLoopRun");
1573 #if defined(OS_ANDROID)
1574 // Chrome on Android does not use default MessageLoop. It has its own
1575 // Android specific MessageLoop
1579 // Set the result code set in PreMainMessageLoopRun or set above.
1580 *result_code = result_code_;
1581 if (!run_message_loop_)
1582 return true; // Don't run the default message loop.
1584 // These should be invoked as close to the start of the browser's
1585 // UI thread message loop as possible to get a stable measurement
1587 RecordBrowserStartupTime();
1588 startup_timer_->SignalStartupComplete(
1589 performance_monitor::StartupTimer::STARTUP_NORMAL);
1591 DCHECK(base::MessageLoopForUI::IsCurrent());
1592 base::RunLoop run_loop;
1594 performance_monitor::PerformanceMonitor::GetInstance()->StartGatherCycle();
1596 MetricsService::SetExecutionPhase(MetricsService::MAIN_MESSAGE_LOOP_RUN,
1597 g_browser_process->local_state());
1604 void ChromeBrowserMainParts::PostMainMessageLoopRun() {
1605 TRACE_EVENT0("startup", "ChromeBrowserMainParts::PostMainMessageLoopRun");
1606 #if defined(OS_ANDROID)
1607 // Chrome on Android does not use default MessageLoop. It has its own
1608 // Android specific MessageLoop
1612 // Start watching for jank during shutdown. It gets disarmed when
1613 // |shutdown_watcher_| object is destructed.
1614 MetricsService::SetExecutionPhase(MetricsService::SHUTDOWN_TIMEBOMB_ARM,
1615 g_browser_process->local_state());
1616 shutdown_watcher_->Arm(base::TimeDelta::FromSeconds(300));
1618 // Disarm the startup hang detector time bomb if it is still Arm'ed.
1619 startup_watcher_->Disarm();
1621 for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
1622 chrome_extra_parts_[i]->PostMainMessageLoopRun();
1624 // Some tests don't set parameters.ui_task, so they started translate
1625 // language fetch that was never completed so we need to cleanup here
1626 // otherwise it will be done by the destructor in a wrong thread.
1627 TranslateService::Shutdown(parameters().ui_task == NULL);
1629 if (notify_result_ == ProcessSingleton::PROCESS_NONE)
1630 process_singleton_->Cleanup();
1632 // Stop all tasks that might run on WatchDogThread.
1633 ThreadWatcherList::StopWatchingAll();
1635 browser_process_->metrics_service()->Stop();
1637 restart_last_session_ = browser_shutdown::ShutdownPreThreadsStop();
1638 browser_process_->StartTearDown();
1642 void ChromeBrowserMainParts::PostDestroyThreads() {
1643 #if defined(OS_ANDROID)
1644 // On Android, there is no quit/exit. So the browser's main message loop will
1648 browser_process_->PostDestroyThreads();
1649 // browser_shutdown takes care of deleting browser_process, so we need to
1651 ignore_result(browser_process_.release());
1652 browser_shutdown::ShutdownPostThreadsStop(restart_last_session_);
1653 master_prefs_.reset();
1654 process_singleton_.reset();
1656 // We need to do this check as late as possible, but due to modularity, this
1657 // may be the last point in Chrome. This would be more effective if done at
1658 // a higher level on the stack, so that it is impossible for an early return
1659 // to bypass this code. Perhaps we need a *final* hook that is called on all
1660 // paths from content/browser/browser_main.
1661 CHECK(MetricsService::UmaMetricsProperlyShutdown());
1663 #if defined(OS_CHROMEOS)
1664 chromeos::CrosSettings::Shutdown();
1671 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
1672 chrome_extra_parts_.push_back(parts);